313132011442 has 4 divisors (see below), whose sum is σ = 469698017166. Its totient is φ = 156566005720.

The previous prime is 313132011373. The next prime is 313132011461. The reversal of 313132011442 is 244110231313.

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., 195214632561 + 117917378881 = 441831^2 + 343391^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78283002859 + ... + 78283002862.

Almost surely, 2^313132011442 is an apocalyptic number.

313132011442 is a deficient number, since it is larger than the sum of its proper divisors (156566005724).

313132011442 is a wasteful number, since it uses less digits than its factorization.

313132011442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156566005723.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 313132011442 its reverse (244110231313), we get a palindrome (557242242755).

The spelling of 313132011442 in words is "three hundred thirteen billion, one hundred thirty-two million, eleven thousand, four hundred forty-two".