40011000031 has 16 divisors (see below), whose sum is σ = 42855588864. Its totient is φ = 37266770464.

The previous prime is 40010999999. The next prime is 40011000041. The reversal of 40011000031 is 13000011004.

It is a happy number.

It is not a de Polignac number, because 40011000031 - 2⁵ = 40010999999 is a prime.

It is a super-2 number, since 2×40011000031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40010999981 and 40011000017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40011000041) 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, 119016 + ... + 306898.

It is an arithmetic number, because the mean of its divisors is an integer number (2678474304).

Almost surely, 2^40011000031 is an apocalyptic number.

40011000031 is a deficient number, since it is larger than the sum of its proper divisors (2844588833).

40011000031 is a wasteful number, since it uses less digits than its factorization.

40011000031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188150.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 40011000031 its reverse (13000011004), we get a palindrome (53011011035).

The spelling of 40011000031 in words is "forty billion, eleven million, thirty-one", and thus it is an aban number and an uban number.