1131323312310 has 64 divisors (see below), whose sum is σ = 2726337947904. Its totient is φ = 300448131200.

The previous prime is 1131323312291. The next prime is 1131323312311. The reversal of 1131323312310 is 132133231311.

It is a super-2 number, since 2×1131323312310² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131323312311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8480425 + ... + 8612795.

It is an arithmetic number, because the mean of its divisors is an integer number (42599030436).

Almost surely, 2^{1131323312310} is an apocalyptic number.

1131323312310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131323312310 is an abundant number, since it is smaller than the sum of its proper divisors (1595014635594).

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

1131323312310 is a wasteful number, since it uses less digits than its factorization.

1131323312310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133549.

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

Adding to 1131323312310 its reverse (132133231311), we get a palindrome (1263456543621).

The spelling of 1131323312310 in words is "one trillion, one hundred thirty-one billion, three hundred twenty-three million, three hundred twelve thousand, three hundred ten".