1401250331 has 16 divisors (see below), whose sum is σ = 1546347264. Its totient is φ = 1261570464.

The previous prime is 1401250307. The next prime is 1401250363. The reversal of 1401250331 is 1330521041.

It is not a de Polignac number, because 1401250331 - 2⁶ = 1401250267 is a prime.

It is a super-2 number, since 2×1401250331² = 3927004980255219122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1401250031) 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, 528050 + ... + 530696.

It is an arithmetic number, because the mean of its divisors is an integer number (96646704).

Almost surely, 2^1401250331 is an apocalyptic number.

1401250331 is a deficient number, since it is larger than the sum of its proper divisors (145096933).

1401250331 is a wasteful number, since it uses less digits than its factorization.

1401250331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3650.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1401250331 is about 37433.2783896896. The cubic root of 1401250331 is about 1119.0218742887.

Adding to 1401250331 its reverse (1330521041), we get a palindrome (2731771372).

The spelling of 1401250331 in words is "one billion, four hundred one million, two hundred fifty thousand, three hundred thirty-one".