1137663331 has 6 divisors (see below), whose sum is σ = 1323404340. Its totient is φ = 975139956.

The previous prime is 1137663313. The next prime is 1137663347. The reversal of 1137663331 is 1333667311.

It is not a de Polignac number, because 1137663331 - 2¹³ = 1137655139 is a prime.

It is a super-2 number, since 2×1137663331² = 2588555709404031122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1137663731) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11608761 + ... + 11608858.

It is an arithmetic number, because the mean of its divisors is an integer number (220567390).

Almost surely, 2^1137663331 is an apocalyptic number.

1137663331 is a deficient number, since it is larger than the sum of its proper divisors (185741009).

1137663331 is an equidigital number, since it uses as much as digits as its factorization.

1137663331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23217633 (or 23217626 counting only the distinct ones).

The product of its digits is 20412, while the sum is 34.

The square root of 1137663331 is about 33729.2652010090. The cubic root of 1137663331 is about 1043.9296997015.

The spelling of 1137663331 in words is "one billion, one hundred thirty-seven million, six hundred sixty-three thousand, three hundred thirty-one".