2101431464 has 32 divisors (see below), whose sum is σ = 4524616800. Its totient is φ = 904921920.

The previous prime is 2101431463. The next prime is 2101431467. The reversal of 2101431464 is 4641341012.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2101431461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626747 + ... + 630090.

It is an arithmetic number, because the mean of its divisors is an integer number (141394275).

Almost surely, 2^2101431464 is an apocalyptic number.

It is an amenable number.

2101431464 is an abundant number, since it is smaller than the sum of its proper divisors (2423185336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2101431464 is a wasteful number, since it uses less digits than its factorization.

2101431464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256873 (or 1256869 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 2101431464 is about 45841.3728415718. The cubic root of 2101431464 is about 1280.8700676256.

Adding to 2101431464 its reverse (4641341012), we get a palindrome (6742772476).

The spelling of 2101431464 in words is "two billion, one hundred one million, four hundred thirty-one thousand, four hundred sixty-four".