31340101 has 16 divisors (see below), whose sum is σ = 36682240. Its totient is φ = 26516160.

The previous prime is 31340093. The next prime is 31340143. The reversal of 31340101 is 10104313.

It is not a de Polignac number, because 31340101 - 2³ = 31340093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31346101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5611 + ... + 9703.

It is an arithmetic number, because the mean of its divisors is an integer number (2292640).

Almost surely, 2^31340101 is an apocalyptic number.

31340101 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

31340101 is a deficient number, since it is larger than the sum of its proper divisors (5342139).

31340101 is a wasteful number, since it uses less digits than its factorization.

31340101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4156.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 31340101 is about 5598.2230216382. The cubic root of 31340101 is about 315.2826923919.

Adding to 31340101 its reverse (10104313), we get a palindrome (41444414).

The spelling of 31340101 in words is "thirty-one million, three hundred forty thousand, one hundred one".