1031315133502 has 16 divisors (see below), whose sum is σ = 1549600194240. Its totient is φ = 514781866368.

The previous prime is 1031315133463. The next prime is 1031315133509. The reversal of 1031315133502 is 2053315131301.

It is a happy number.

It is a super-2 number, since 2×1031315133502² (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 7 ways as a sum of consecutive naturals, for example, 21863899 + ... + 21911017.

It is an arithmetic number, because the mean of its divisors is an integer number (96850012140).

Almost surely, 2^{1031315133502} is an apocalyptic number.

1031315133502 is a deficient number, since it is larger than the sum of its proper divisors (518285060738).

1031315133502 is a wasteful number, since it uses less digits than its factorization.

1031315133502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65475.

The product of its (nonzero) digits is 4050, while the sum is 28.

The spelling of 1031315133502 in words is "one trillion, thirty-one billion, three hundred fifteen million, one hundred thirty-three thousand, five hundred two".