311405948962 has 4 divisors (see below), whose sum is σ = 467108923446. Its totient is φ = 155702974480.

The previous prime is 311405948933. The next prime is 311405948993. The reversal of 311405948962 is 269849504113.

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., 297111116241 + 14294832721 = 545079^2 + 119561^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77851487239 + ... + 77851487242.

Almost surely, 2^311405948962 is an apocalyptic number.

311405948962 is a deficient number, since it is larger than the sum of its proper divisors (155702974484).

311405948962 is a wasteful number, since it uses less digits than its factorization.

311405948962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155702974483.

The product of its (nonzero) digits is 1866240, while the sum is 52.

The spelling of 311405948962 in words is "three hundred eleven billion, four hundred five million, nine hundred forty-eight thousand, nine hundred sixty-two".