31023030323011 has 16 divisors (see below), whose sum is σ = 31821509680128. Its totient is φ = 30226564929600.

The previous prime is 31023030322891. The next prime is 31023030323053. The reversal of 31023030323011 is 11032303032013.

It is a cyclic number.

It is not a de Polignac number, because 31023030323011 - 2⁷ = 31023030322883 is a prime.

It is a super-2 number, since 2×31023030323011² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31023030353011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111426106 + ... + 111704176.

It is an arithmetic number, because the mean of its divisors is an integer number (1988844355008).

Almost surely, 2^{31023030323011} is an apocalyptic number.

31023030323011 is a deficient number, since it is larger than the sum of its proper divisors (798479357117).

31023030323011 is a wasteful number, since it uses less digits than its factorization.

31023030323011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281682.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 31023030323011 its reverse (11032303032013), we get a palindrome (42055333355024).

The spelling of 31023030323011 in words is "thirty-one trillion, twenty-three billion, thirty million, three hundred twenty-three thousand, eleven".