2311567490 has 32 divisors (see below), whose sum is σ = 4247717760. Its totient is φ = 905438464.

The previous prime is 2311567463. The next prime is 2311567499. The reversal of 2311567490 is 947651132.

It is not an unprimeable number, because it can be changed into a prime (2311567499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147722 + ... + 162618.

It is an arithmetic number, because the mean of its divisors is an integer number (132741180).

Almost surely, 2^2311567490 is an apocalyptic number.

2311567490 is a deficient number, since it is larger than the sum of its proper divisors (1936150270).

2311567490 is a wasteful number, since it uses less digits than its factorization.

2311567490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15226.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 2311567490 is about 48078.7633992390. The cubic root of 2311567490 is about 1322.2153436729.

The spelling of 2311567490 in words is "two billion, three hundred eleven million, five hundred sixty-seven thousand, four hundred ninety".