351131948 has 6 divisors (see below), whose sum is σ = 614480916. Its totient is φ = 175565972.

The previous prime is 351131941. The next prime is 351131953. The reversal of 351131948 is 849131153.

351131948 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (351131941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43891490 + ... + 43891497.

It is an arithmetic number, because the mean of its divisors is an integer number (102413486).

Almost surely, 2^351131948 is an apocalyptic number.

It is an amenable number.

351131948 is a deficient number, since it is larger than the sum of its proper divisors (263348968).

351131948 is a wasteful number, since it uses less digits than its factorization.

351131948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87782991 (or 87782989 counting only the distinct ones).

The product of its digits is 12960, while the sum is 35.

The square root of 351131948 is about 18738.5150959194. The cubic root of 351131948 is about 705.4887866697.

The spelling of 351131948 in words is "three hundred fifty-one million, one hundred thirty-one thousand, nine hundred forty-eight".