131000042333402 has 24 divisors (see below), whose sum is σ = 217688363493888. Its totient is φ = 59076611775720.

The previous prime is 131000042333389. The next prime is 131000042333429. The reversal of 131000042333402 is 204333240000131.

It is a super-2 number, since 2×131000042333402² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2131160168 + ... + 2131221635.

It is an arithmetic number, because the mean of its divisors is an integer number (9070348478912).

Almost surely, 2^{131000042333402} is an apocalyptic number.

131000042333402 is a deficient number, since it is larger than the sum of its proper divisors (86688321160486).

131000042333402 is a wasteful number, since it uses less digits than its factorization.

131000042333402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4262381954 (or 4262381943 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 131000042333402 its reverse (204333240000131), we get a palindrome (335333282333533).

The spelling of 131000042333402 in words is "one hundred thirty-one trillion, forty-two million, three hundred thirty-three thousand, four hundred two".