31020111014 has 16 divisors (see below), whose sum is σ = 47538076608. Its totient is φ = 15174334272.

The previous prime is 31020111013. The next prime is 31020111077. The reversal of 31020111014 is 41011102013.

It is a self number, because there is not a number n which added to its sum of digits gives 31020111014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31020111013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194204 + ... + 315840.

It is an arithmetic number, because the mean of its divisors is an integer number (2971129788).

Almost surely, 2^31020111014 is an apocalyptic number.

31020111014 is a deficient number, since it is larger than the sum of its proper divisors (16517965594).

31020111014 is a wasteful number, since it uses less digits than its factorization.

31020111014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124399.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 31020111014 its reverse (41011102013), we get a palindrome (72031213027).

Subtracting 31020111014 from its reverse (41011102013), we obtain a palindrome (9990990999).

The spelling of 31020111014 in words is "thirty-one billion, twenty million, one hundred eleven thousand, fourteen".