31053111545 has 32 divisors (see below), whose sum is σ = 39109609728. Its totient is φ = 23644078848.

The previous prime is 31053111539. The next prime is 31053111563. The reversal of 31053111545 is 54511135013.

It is a cyclic number.

It is not a de Polignac number, because 31053111545 - 2²⁰ = 31052062969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3397772 + ... + 3406898.

It is an arithmetic number, because the mean of its divisors is an integer number (1222175304).

Almost surely, 2^31053111545 is an apocalyptic number.

It is an amenable number.

31053111545 is a deficient number, since it is larger than the sum of its proper divisors (8056498183).

31053111545 is a wasteful number, since it uses less digits than its factorization.

31053111545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9569.

The product of its (nonzero) digits is 4500, while the sum is 29.

Adding to 31053111545 its reverse (54511135013), we get a palindrome (85564246558).

The spelling of 31053111545 in words is "thirty-one billion, fifty-three million, one hundred eleven thousand, five hundred forty-five".