1373831052 has 24 divisors (see below), whose sum is σ = 3497024832. Its totient is φ = 416312400.

The previous prime is 1373831051. The next prime is 1373831099. The reversal of 1373831052 is 2501383731.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1373831051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5203774 + ... + 5204037.

It is an arithmetic number, because the mean of its divisors is an integer number (145709368).

Almost surely, 2^1373831052 is an apocalyptic number.

1373831052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1373831052 is an abundant number, since it is smaller than the sum of its proper divisors (2123193780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1373831052 is a wasteful number, since it uses less digits than its factorization.

1373831052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10407829 (or 10407827 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 1373831052 is about 37065.2269924251. The cubic root of 1373831052 is about 1111.6748387224.

The spelling of 1373831052 in words is "one billion, three hundred seventy-three million, eight hundred thirty-one thousand, fifty-two".