31141707231 has 16 divisors (see below), whose sum is σ = 44020133888. Its totient is φ = 19548410400.

The previous prime is 31141707229. The next prime is 31141707241. The reversal of 31141707231 is 13270714113.

It is not a de Polignac number, because 31141707231 - 2¹ = 31141707229 is a prime.

It is a super-2 number, since 2×31141707231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31141707241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4521655 + ... + 4528536.

It is an arithmetic number, because the mean of its divisors is an integer number (2751258368).

Almost surely, 2^31141707231 is an apocalyptic number.

31141707231 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

31141707231 is a deficient number, since it is larger than the sum of its proper divisors (12878426657).

31141707231 is a wasteful number, since it uses less digits than its factorization.

31141707231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9050262.

The product of its (nonzero) digits is 3528, while the sum is 30.

The spelling of 31141707231 in words is "thirty-one billion, one hundred forty-one million, seven hundred seven thousand, two hundred thirty-one".