2031401330 has 24 divisors (see below), whose sum is σ = 4253506668. Its totient is φ = 696480288.

The previous prime is 2031401327. The next prime is 2031401347. The reversal of 2031401330 is 331041302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2030313481 + 1087849 = 45059^2 + 1043^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2031401299 and 2031401308.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2072369 + ... + 2073348.

Almost surely, 2^2031401330 is an apocalyptic number.

2031401330 is an abundant number, since it is smaller than the sum of its proper divisors (2222105338).

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

2031401330 is a wasteful number, since it uses less digits than its factorization.

2031401330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4145738 (or 4145731 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2031401330 is about 45071.0697676459. The cubic root of 2031401330 is about 1266.4807045404.

Adding to 2031401330 its reverse (331041302), we get a palindrome (2362442632).

The spelling of 2031401330 in words is "two billion, thirty-one million, four hundred one thousand, three hundred thirty".