1311023332131 has 32 divisors (see below), whose sum is σ = 1775202385920. Its totient is φ = 860533632000.

The previous prime is 1311023332121. The next prime is 1311023332141. The reversal of 1311023332131 is 1312333201131.

It is an interprime number because it is at equal distance from previous prime (1311023332121) and next prime (1311023332141).

It is not a de Polignac number, because 1311023332131 - 2⁶ = 1311023332067 is a prime.

It is a super-2 number, since 2×1311023332131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1311023332111) 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, 81762291 + ... + 81778323.

It is an arithmetic number, because the mean of its divisors is an integer number (55475074560).

Almost surely, 2^{1311023332131} is an apocalyptic number.

1311023332131 is a deficient number, since it is larger than the sum of its proper divisors (464179053789).

1311023332131 is a wasteful number, since it uses less digits than its factorization.

1311023332131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17627.

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

Adding to 1311023332131 its reverse (1312333201131), we get a palindrome (2623356533262).

The spelling of 1311023332131 in words is "one trillion, three hundred eleven billion, twenty-three million, three hundred thirty-two thousand, one hundred thirty-one".