31144011131010 has 32 divisors (see below), whose sum is σ = 75861233088192. Its totient is φ = 8181113371200.

The previous prime is 31144011130927. The next prime is 31144011131083. The reversal of 31144011131010 is 1013111044113.

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, 7747264441 + ... + 7747268460.

It is an arithmetic number, because the mean of its divisors is an integer number (2370663534006).

Almost surely, 2^{31144011131010} is an apocalyptic number.

31144011131010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31144011131010 is an abundant number, since it is smaller than the sum of its proper divisors (44717221957182).

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

31144011131010 is a wasteful number, since it uses less digits than its factorization.

31144011131010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15494532978.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 31144011131010 its reverse (1013111044113), we get a palindrome (32157122175123).

The spelling of 31144011131010 in words is "thirty-one trillion, one hundred forty-four billion, eleven million, one hundred thirty-one thousand, ten".