31210122040039 has 16 divisors (see below), whose sum is σ = 33194209752000. Its totient is φ = 29242582179840.

The previous prime is 31210122039991. The next prime is 31210122040049. The reversal of 31210122040039 is 93004022101213.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 31210122040039 - 2²⁹ = 31209585169127 is a prime.

It is a super-2 number, since 2×31210122040039² (a number of 28 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 = 31210122039989 and 31210122040016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31210122040049) 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, 11016847 + ... + 13556959.

It is an arithmetic number, because the mean of its divisors is an integer number (2074638109500).

Almost surely, 2^{31210122040039} is an apocalyptic number.

31210122040039 is a deficient number, since it is larger than the sum of its proper divisors (1984087711961).

31210122040039 is a wasteful number, since it uses less digits than its factorization.

31210122040039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2543370.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 31210122040039 in words is "thirty-one trillion, two hundred ten billion, one hundred twenty-two million, forty thousand, thirty-nine".