1025315131 has 2 divisors, whose sum is σ = 1025315132. Its totient is φ = 1025315130.

The previous prime is 1025315119. The next prime is 1025315141. The reversal of 1025315131 is 1315135201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1025315131 - 2⁵ = 1025315099 is a prime.

It is a super-2 number, since 2×1025315131² = 2102542235715094322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1025315141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512657565 + 512657566.

It is an arithmetic number, because the mean of its divisors is an integer number (512657566).

Almost surely, 2^1025315131 is an apocalyptic number.

1025315131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025315131 is an equidigital number, since it uses as much as digits as its factorization.

1025315131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 1025315131 is about 32020.5423283242. The cubic root of 1025315131 is about 1008.3681556416.

The spelling of 1025315131 in words is "one billion, twenty-five million, three hundred fifteen thousand, one hundred thirty-one".