103145201255031 has 32 divisors (see below), whose sum is σ = 148287824616960. Its totient is φ = 63396020688000.

The previous prime is 103145201255023. The next prime is 103145201255059. The reversal of 103145201255031 is 130552102541301.

It is not a de Polignac number, because 103145201255031 - 2³ = 103145201255023 is a prime.

It is a super-2 number, since 2×103145201255031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103145201254983 and 103145201255001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103145201255531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1534614016 + ... + 1534681226.

It is an arithmetic number, because the mean of its divisors is an integer number (4633994519280).

Almost surely, 2^{103145201255031} is an apocalyptic number.

103145201255031 is a deficient number, since it is larger than the sum of its proper divisors (45142623361929).

103145201255031 is a wasteful number, since it uses less digits than its factorization.

103145201255031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114967.

The product of its (nonzero) digits is 18000, while the sum is 33.

Adding to 103145201255031 its reverse (130552102541301), we get a palindrome (233697303796332).

The spelling of 103145201255031 in words is "one hundred three trillion, one hundred forty-five billion, two hundred one million, two hundred fifty-five thousand, thirty-one".