331144263429 has 32 divisors (see below), whose sum is σ = 513695520000. Its totient is φ = 185843311104.

The previous prime is 331144263407. The next prime is 331144263533. The reversal of 331144263429 is 924362441133.

It is not a de Polignac number, because 331144263429 - 2⁵ = 331144263397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331144263929) 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, 316074 + ... + 873035.

It is an arithmetic number, because the mean of its divisors is an integer number (16052985000).

Almost surely, 2^331144263429 is an apocalyptic number.

It is an amenable number.

331144263429 is a deficient number, since it is larger than the sum of its proper divisors (182551256571).

331144263429 is a wasteful number, since it uses less digits than its factorization.

331144263429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189357.

The product of its digits is 373248, while the sum is 42.

The spelling of 331144263429 in words is "three hundred thirty-one billion, one hundred forty-four million, two hundred sixty-three thousand, four hundred twenty-nine".