142536512031 has 64 divisors (see below), whose sum is σ = 208782336000. Its totient is φ = 86242060800.

The previous prime is 142536512021. The next prime is 142536512057. The reversal of 142536512031 is 130215635241.

It is not a de Polignac number, because 142536512031 - 2⁹ = 142536511519 is a prime.

It is a super-2 number, since 2×142536512031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142536511983 and 142536512001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142536512021) 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, 101883870 + ... + 101885268.

It is an arithmetic number, because the mean of its divisors is an integer number (3262224000).

Almost surely, 2^142536512031 is an apocalyptic number.

142536512031 is a deficient number, since it is larger than the sum of its proper divisors (66245823969).

142536512031 is a wasteful number, since it uses less digits than its factorization.

142536512031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 142536512031 in words is "one hundred forty-two billion, five hundred thirty-six million, five hundred twelve thousand, thirty-one".