1392391023331 has 8 divisors (see below), whose sum is σ = 1735968029184. Its totient is φ = 1084980018120.

The previous prime is 1392391023329. The next prime is 1392391023337. The reversal of 1392391023331 is 1333201932931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1392391023331 - 2¹ = 1392391023329 is a prime.

It is a super-2 number, since 2×1392391023331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1392391023337) 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, 9041500075 + ... + 9041500228.

It is an arithmetic number, because the mean of its divisors is an integer number (216996003648).

Almost surely, 2^{1392391023331} is an apocalyptic number.

1392391023331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1392391023331 is a deficient number, since it is larger than the sum of its proper divisors (343577005853).

1392391023331 is a wasteful number, since it uses less digits than its factorization.

1392391023331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18083000321.

The product of its (nonzero) digits is 78732, while the sum is 40.

The spelling of 1392391023331 in words is "one trillion, three hundred ninety-two billion, three hundred ninety-one million, twenty-three thousand, three hundred thirty-one".