31542412045 has 16 divisors (see below), whose sum is σ = 37938820608. Its totient is φ = 25175373120.

The previous prime is 31542412021. The next prime is 31542412061. The reversal of 31542412045 is 54021424513.

It is not a de Polignac number, because 31542412045 - 2¹⁹ = 31541887757 is a prime.

It is a super-2 number, since 2×31542412045² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31542411998 and 31542412016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6465147 + ... + 6470023.

It is an arithmetic number, because the mean of its divisors is an integer number (2371176288).

Almost surely, 2^31542412045 is an apocalyptic number.

It is an amenable number.

31542412045 is a deficient number, since it is larger than the sum of its proper divisors (6396408563).

31542412045 is a wasteful number, since it uses less digits than its factorization.

31542412045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7620.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 31542412045 its reverse (54021424513), we get a palindrome (85563836558).

The spelling of 31542412045 in words is "thirty-one billion, five hundred forty-two million, four hundred twelve thousand, forty-five".