40011501031 has 2 divisors, whose sum is σ = 40011501032. Its totient is φ = 40011501030.

The previous prime is 40011501007. The next prime is 40011501043. The reversal of 40011501031 is 13010511004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40011501031 - 2⁹ = 40011500519 is a prime.

It is a super-2 number, since 2×40011501031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40011500996 and 40011501014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40011501001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20005750515 + 20005750516.

It is an arithmetic number, because the mean of its divisors is an integer number (20005750516).

Almost surely, 2^40011501031 is an apocalyptic number.

40011501031 is a deficient number, since it is larger than the sum of its proper divisors (1).

40011501031 is an equidigital number, since it uses as much as digits as its factorization.

40011501031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 16.

The spelling of 40011501031 in words is "forty billion, eleven million, five hundred one thousand, thirty-one".