31542411145 has 16 divisors (see below), whose sum is σ = 43288046208. Its totient is φ = 21614140800.

The previous prime is 31542411139. The next prime is 31542411181. The reversal of 31542411145 is 54111424513.

It is not a de Polignac number, because 31542411145 - 2⁵ = 31542411113 is a prime.

It is a super-2 number, since 2×31542411145² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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, 259764 + ... + 361333.

It is an arithmetic number, because the mean of its divisors is an integer number (2705502888).

Almost surely, 2^31542411145 is an apocalyptic number.

31542411145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

31542411145 is a deficient number, since it is larger than the sum of its proper divisors (11745635063).

31542411145 is a wasteful number, since it uses less digits than its factorization.

31542411145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622560.

The product of its digits is 9600, while the sum is 31.

Adding to 31542411145 its reverse (54111424513), we get a palindrome (85653835658).

The spelling of 31542411145 in words is "thirty-one billion, five hundred forty-two million, four hundred eleven thousand, one hundred forty-five".