40311055031 has 8 divisors (see below), whose sum is σ = 43424695104. Its totient is φ = 37199242080.

The previous prime is 40311055019. The next prime is 40311055051. The reversal of 40311055031 is 13055011304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40311055031 - 2⁶ = 40311054967 is a prime.

It is a super-2 number, since 2×40311055031² (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 = 40311054988 and 40311055006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40311055051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410780 + ... + 499361.

It is an arithmetic number, because the mean of its divisors is an integer number (5428086888).

Almost surely, 2^40311055031 is an apocalyptic number.

40311055031 is a deficient number, since it is larger than the sum of its proper divisors (3113640073).

40311055031 is a wasteful number, since it uses less digits than its factorization.

40311055031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913561.

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 40311055031 its reverse (13055011304), we get a palindrome (53366066335).

The spelling of 40311055031 in words is "forty billion, three hundred eleven million, fifty-five thousand, thirty-one".