1312402430 has 32 divisors (see below), whose sum is σ = 2423196000. Its totient is φ = 511568512.

The previous prime is 1312402417. The next prime is 1312402463. The reversal of 1312402430 is 342042131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70661 + ... + 87279.

It is an arithmetic number, because the mean of its divisors is an integer number (75724875).

Almost surely, 2^1312402430 is an apocalyptic number.

1312402430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312402430 is a deficient number, since it is larger than the sum of its proper divisors (1110793570).

1312402430 is a wasteful number, since it uses less digits than its factorization.

1312402430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16828.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1312402430 is about 36227.0952465140. The cubic root of 1312402430 is about 1094.8526535262.

Adding to 1312402430 its reverse (342042131), we get a palindrome (1654444561).

The spelling of 1312402430 in words is "one billion, three hundred twelve million, four hundred two thousand, four hundred thirty".