1130347631 has 12 divisors (see below), whose sum is σ = 1315442808. Its totient is φ = 968465232.

The previous prime is 1130347609. The next prime is 1130347633. The reversal of 1130347631 is 1367430311.

It is a de Polignac number, because none of the positive numbers 2^k-1130347631 is a prime.

It is a super-2 number, since 2×1130347631² = 2555371533814624322, 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 = 1130347594 and 1130347603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130347633) 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, 218780 + ... + 223886.

It is an arithmetic number, because the mean of its divisors is an integer number (109620234).

Almost surely, 2^1130347631 is an apocalyptic number.

1130347631 is a deficient number, since it is larger than the sum of its proper divisors (185095177).

1130347631 is an equidigital number, since it uses as much as digits as its factorization.

1130347631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9638 (or 9631 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 1130347631 is about 33620.6429296050. The cubic root of 1130347631 is about 1041.6872362815.

Adding to 1130347631 its reverse (1367430311), we get a palindrome (2497777942).

The spelling of 1130347631 in words is "one billion, one hundred thirty million, three hundred forty-seven thousand, six hundred thirty-one".