31003040131 has 32 divisors (see below), whose sum is σ = 38126816640. Its totient is φ = 24607113216.

The previous prime is 31003040129. The next prime is 31003040137. The reversal of 31003040131 is 13104030013.

It is not a de Polignac number, because 31003040131 - 2¹ = 31003040129 is a prime.

It is a super-2 number, since 2×31003040131² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31003040137) 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, 1833825 + ... + 1850653.

It is an arithmetic number, because the mean of its divisors is an integer number (1191463020).

Almost surely, 2^31003040131 is an apocalyptic number.

31003040131 is a deficient number, since it is larger than the sum of its proper divisors (7123776509).

31003040131 is a wasteful number, since it uses less digits than its factorization.

31003040131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17103.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 31003040131 its reverse (13104030013), we get a palindrome (44107070144).

The spelling of 31003040131 in words is "thirty-one billion, three million, forty thousand, one hundred thirty-one".