1213132133031 has 16 divisors (see below), whose sum is σ = 1990780936704. Its totient is φ = 639893872224.

The previous prime is 1213132133023. The next prime is 1213132133033. The reversal of 1213132133031 is 1303312313121.

It is not a de Polignac number, because 1213132133031 - 2³ = 1213132133023 is a prime.

It is a super-2 number, since 2×1213132133031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1213132132992 and 1213132133010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213132133033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2221853451 + ... + 2221853996.

It is an arithmetic number, because the mean of its divisors is an integer number (124423808544).

Almost surely, 2^{1213132133031} is an apocalyptic number.

1213132133031 is a deficient number, since it is larger than the sum of its proper divisors (777648803673).

1213132133031 is a wasteful number, since it uses less digits than its factorization.

1213132133031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4443707470.

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

Adding to 1213132133031 its reverse (1303312313121), we get a palindrome (2516444446152).

The spelling of 1213132133031 in words is "one trillion, two hundred thirteen billion, one hundred thirty-two million, one hundred thirty-three thousand, thirty-one".