31056266542 has 48 divisors (see below), whose sum is σ = 55272672000. Its totient is φ = 13046355504.

The previous prime is 31056266537. The next prime is 31056266543. The reversal of 31056266542 is 24566265013.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31056266495 and 31056266504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31056266543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1061709 + ... + 1090567.

It is an arithmetic number, because the mean of its divisors is an integer number (1151514000).

Almost surely, 2^31056266542 is an apocalyptic number.

31056266542 is a deficient number, since it is larger than the sum of its proper divisors (24216405458).

31056266542 is a wasteful number, since it uses less digits than its factorization.

31056266542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29093 (or 29086 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 31056266542 in words is "thirty-one billion, fifty-six million, two hundred sixty-six thousand, five hundred forty-two".