31412125431 has 64 divisors (see below), whose sum is σ = 50183347200. Its totient is φ = 19378009728.

The previous prime is 31412125429. The next prime is 31412125463. The reversal of 31412125431 is 13452121413.

31412125431 is a `hidden beast` number, since 3 + 14 + 1 + 212 + 5 + 431 = 666.

It is not a de Polignac number, because 31412125431 - 2¹ = 31412125429 is a prime.

It is a super-2 number, since 2×31412125431² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 31412125395 and 31412125404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31412125331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1932966 + ... + 1949148.

It is an arithmetic number, because the mean of its divisors is an integer number (784114800).

Almost surely, 2^31412125431 is an apocalyptic number.

31412125431 is a deficient number, since it is larger than the sum of its proper divisors (18771221769).

31412125431 is a wasteful number, since it uses less digits than its factorization.

31412125431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16325 (or 16319 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

Adding to 31412125431 its reverse (13452121413), we get a palindrome (44864246844).

The spelling of 31412125431 in words is "thirty-one billion, four hundred twelve million, one hundred twenty-five thousand, four hundred thirty-one".