31310441340 has 48 divisors (see below), whose sum is σ = 88977743232. Its totient is φ = 8224831296.

The previous prime is 31310441317. The next prime is 31310441353. The reversal of 31310441340 is 4314401313.

It is a self number, because there is not a number n which added to its sum of digits gives 31310441340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3890314 + ... + 3898353.

It is an arithmetic number, because the mean of its divisors is an integer number (1853702984).

Almost surely, 2^31310441340 is an apocalyptic number.

31310441340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31310441340 is an abundant number, since it is smaller than the sum of its proper divisors (57667301892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31310441340 is a wasteful number, since it uses less digits than its factorization.

31310441340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7788746 (or 7788744 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 31310441340 its reverse (4314401313), we get a palindrome (35624842653).

The spelling of 31310441340 in words is "thirty-one billion, three hundred ten million, four hundred forty-one thousand, three hundred forty".