142040013031 has 16 divisors (see below), whose sum is σ = 166147235584. Its totient is φ = 118888124544.

The previous prime is 142040012941. The next prime is 142040013047. The reversal of 142040013031 is 130310040241.

It is not a de Polignac number, because 142040013031 - 2⁷ = 142040012903 is a prime.

It is a super-3 number, since 3×142040013031³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142040013431) 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, 1221535 + ... + 1332751.

It is an arithmetic number, because the mean of its divisors is an integer number (10384202224).

Almost surely, 2^142040013031 is an apocalyptic number.

142040013031 is a deficient number, since it is larger than the sum of its proper divisors (24107222553).

142040013031 is a wasteful number, since it uses less digits than its factorization.

142040013031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115510.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 142040013031 its reverse (130310040241), we get a palindrome (272350053272).

The spelling of 142040013031 in words is "one hundred forty-two billion, forty million, thirteen thousand, thirty-one".