1315632951 has 12 divisors (see below), whose sum is σ = 1912945840. Its totient is φ = 871279200.

The previous prime is 1315632949. The next prime is 1315632953. The reversal of 1315632951 is 1592365131.

It is a happy number.

1315632951 is a `hidden beast` number, since 1 + 3 + 1 + 563 + 2 + 95 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (1315632949) and next prime (1315632953).

It is not a de Polignac number, because 1315632951 - 2¹ = 1315632949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315632953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 482686 + ... + 485403.

Almost surely, 2^1315632951 is an apocalyptic number.

1315632951 is a deficient number, since it is larger than the sum of its proper divisors (597312889).

1315632951 is a wasteful number, since it uses less digits than its factorization.

1315632951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968246 (or 968243 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 1315632951 is about 36271.6549250238. The cubic root of 1315632951 is about 1095.7502558341.

The spelling of 1315632951 in words is "one billion, three hundred fifteen million, six hundred thirty-two thousand, nine hundred fifty-one".