1513131370 has 16 divisors (see below), whose sum is σ = 2729477088. Its totient is φ = 603954640.

The previous prime is 1513131331. The next prime is 1513131401. The reversal of 1513131370 is 731313151.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157336 + ... + 166675.

It is an arithmetic number, because the mean of its divisors is an integer number (170592318).

Almost surely, 2^1513131370 is an apocalyptic number.

1513131370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1513131370 is a deficient number, since it is larger than the sum of its proper divisors (1216345718).

1513131370 is a wasteful number, since it uses less digits than its factorization.

1513131370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324485.

The product of its (nonzero) digits is 945, while the sum is 25.

The square root of 1513131370 is about 38898.9893184900. The cubic root of 1513131370 is about 1148.0449124906.

The spelling of 1513131370 in words is "one billion, five hundred thirteen million, one hundred thirty-one thousand, three hundred seventy".