1031315133501 has 12 divisors (see below), whose sum is σ = 1490762412828. Its totient is φ = 687042654144.

The previous prime is 1031315133463. The next prime is 1031315133509. The reversal of 1031315133501 is 1053315131301.

It is a happy number.

1031315133501 is a `hidden beast` number, since 1 + 0 + 3 + 1 + 3 + 151 + 3 + 3 + 501 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 770311650276 + 261003483225 = 877674^2 + 510885^2 .

It is not a de Polignac number, because 1031315133501 - 2²¹ = 1031313036349 is a prime.

It is a super-2 number, since 2×1031315133501² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031315133509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41717640 + ... + 41742353.

It is an arithmetic number, because the mean of its divisors is an integer number (124230201069).

Almost surely, 2^{1031315133501} is an apocalyptic number.

It is an amenable number.

1031315133501 is a deficient number, since it is larger than the sum of its proper divisors (459447279327).

1031315133501 is a wasteful number, since it uses less digits than its factorization.

1031315133501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83461372 (or 83461369 counting only the distinct ones).

The product of its (nonzero) digits is 2025, while the sum is 27.

The spelling of 1031315133501 in words is "one trillion, thirty-one billion, three hundred fifteen million, one hundred thirty-three thousand, five hundred one".