1310421051 has 32 divisors (see below), whose sum is σ = 2051884800. Its totient is φ = 824256000.

The previous prime is 1310421011. The next prime is 1310421107. The reversal of 1310421051 is 1501240131.

It is not a de Polignac number, because 1310421051 - 2¹⁷ = 1310289979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1310421011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123675 + ... + 133851.

It is an arithmetic number, because the mean of its divisors is an integer number (64121400).

Almost surely, 2^1310421051 is an apocalyptic number.

1310421051 is a deficient number, since it is larger than the sum of its proper divisors (741463749).

1310421051 is a wasteful number, since it uses less digits than its factorization.

1310421051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10456 (or 10450 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1310421051 is about 36199.7382725345. The cubic root of 1310421051 is about 1094.3013971379.

Adding to 1310421051 its reverse (1501240131), we get a palindrome (2811661182).

The spelling of 1310421051 in words is "one billion, three hundred ten million, four hundred twenty-one thousand, fifty-one".