1213011000131 has 64 divisors (see below), whose sum is σ = 1542559924224. Its totient is φ = 929981606400.

The previous prime is 1213011000107. The next prime is 1213011000239. The reversal of 1213011000131 is 1310001103121.

It is a happy number.

It is not a de Polignac number, because 1213011000131 - 2¹⁰ = 1213010999107 is a prime.

It is a super-2 number, since 2×1213011000131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1213011002131) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 81803540 + ... + 81818366.

It is an arithmetic number, because the mean of its divisors is an integer number (24102498816).

Almost surely, 2^{1213011000131} is an apocalyptic number.

1213011000131 is a deficient number, since it is larger than the sum of its proper divisors (329548924093).

1213011000131 is a wasteful number, since it uses less digits than its factorization.

1213011000131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15280.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 1213011000131 its reverse (1310001103121), we get a palindrome (2523012103252).

The spelling of 1213011000131 in words is "one trillion, two hundred thirteen billion, eleven million, one hundred thirty-one", and thus it is an aban number.