1031313132312 has 32 divisors (see below), whose sum is σ = 2603810389680. Its totient is φ = 340367369600.

The previous prime is 1031313132281. The next prime is 1031313132313. The reversal of 1031313132312 is 2132313131301.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031313132313) 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, 212727183 + ... + 212732030.

Almost surely, 2^{1031313132312} is an apocalyptic number.

1031313132312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1031313132312 is an abundant number, since it is smaller than the sum of its proper divisors (1572497257368).

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

1031313132312 is a wasteful number, since it uses less digits than its factorization.

1031313132312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425459323 (or 425459319 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 1031313132312 its reverse (2132313131301), we get a palindrome (3163626263613).

The spelling of 1031313132312 in words is "one trillion, thirty-one billion, three hundred thirteen million, one hundred thirty-two thousand, three hundred twelve".