40102310031 has 32 divisors (see below), whose sum is σ = 64147120128. Its totient is φ = 21787978080.

The previous prime is 40102309999. The next prime is 40102310057. The reversal of 40102310031 is 13001320104.

It is not a de Polignac number, because 40102310031 - 2⁵ = 40102309999 is a prime.

It is a super-2 number, since 2×40102310031² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40102310431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167925 + ... + 329246.

It is an arithmetic number, because the mean of its divisors is an integer number (2004597504).

Almost surely, 2^40102310031 is an apocalyptic number.

40102310031 is a deficient number, since it is larger than the sum of its proper divisors (24044810097).

40102310031 is a wasteful number, since it uses less digits than its factorization.

40102310031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497371.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 40102310031 its reverse (13001320104), we get a palindrome (53103630135).

The spelling of 40102310031 in words is "forty billion, one hundred two million, three hundred ten thousand, thirty-one".