1231231413002 has 4 divisors (see below), whose sum is σ = 1846847119506. Its totient is φ = 615615706500.

The previous prime is 1231231412993. The next prime is 1231231413019. The reversal of 1231231413002 is 2003141321321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1166099779321 + 65131633681 = 1079861^2 + 255209^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307807853249 + ... + 307807853252.

Almost surely, 2^{1231231413002} is an apocalyptic number.

1231231413002 is a deficient number, since it is larger than the sum of its proper divisors (615615706504).

1231231413002 is an equidigital number, since it uses as much as digits as its factorization.

1231231413002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615615706503.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1231231413002 its reverse (2003141321321), we get a palindrome (3234372734323).

The spelling of 1231231413002 in words is "one trillion, two hundred thirty-one billion, two hundred thirty-one million, four hundred thirteen thousand, two".