1025913031 has 16 divisors (see below), whose sum is σ = 1217710368. Its totient is φ = 852019200.

The previous prime is 1025913011. The next prime is 1025913041. The reversal of 1025913031 is 1303195201.

1025913031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1025913031 - 2²⁹ = 489042119 is a prime.

It is a super-2 number, since 2×1025913031² = 2104995094351213922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1025912987 and 1025913005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025913011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23110 + ... + 50851.

It is an arithmetic number, because the mean of its divisors is an integer number (76106898).

Almost surely, 2^1025913031 is an apocalyptic number.

1025913031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1025913031 is a deficient number, since it is larger than the sum of its proper divisors (191797337).

1025913031 is a wasteful number, since it uses less digits than its factorization.

1025913031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74082.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 1025913031 is about 32029.8771618000. The cubic root of 1025913031 is about 1008.5641234139.

The spelling of 1025913031 in words is "one billion, twenty-five million, nine hundred thirteen thousand, thirty-one".