1310131433 has 24 divisors (see below), whose sum is σ = 1460006208. Its totient is φ = 1174585152.

The previous prime is 1310131429. The next prime is 1310131447. The reversal of 1310131433 is 3341310131.

It is not a de Polignac number, because 1310131433 - 2² = 1310131429 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1310131133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 957716 + ... + 959082.

It is an arithmetic number, because the mean of its divisors is an integer number (60833592).

Almost surely, 2^1310131433 is an apocalyptic number.

1310131433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1310131433 is a deficient number, since it is larger than the sum of its proper divisors (149874775).

1310131433 is a wasteful number, since it uses less digits than its factorization.

1310131433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553 (or 1540 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 1310131433 is about 36195.7377739424. The cubic root of 1310131433 is about 1094.2207735010.

Adding to 1310131433 its reverse (3341310131), we get a palindrome (4651441564).

The spelling of 1310131433 in words is "one billion, three hundred ten million, one hundred thirty-one thousand, four hundred thirty-three".