1406201562631 has 4 divisors (see below), whose sum is σ = 1406250723064. Its totient is φ = 1406152402200.

The previous prime is 1406201562629. The next prime is 1406201562641. The reversal of 1406201562631 is 1362651026041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1406201562631 - 2¹ = 1406201562629 is a prime.

It is a super-2 number, since 2×1406201562631² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406201562641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24537285 + ... + 24594526.

It is an arithmetic number, because the mean of its divisors is an integer number (351562680766).

Almost surely, 2^{1406201562631} is an apocalyptic number.

1406201562631 is a deficient number, since it is larger than the sum of its proper divisors (49160433).

1406201562631 is an equidigital number, since it uses as much as digits as its factorization.

1406201562631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49160432.

The product of its (nonzero) digits is 51840, while the sum is 37.

Adding to 1406201562631 its reverse (1362651026041), we get a palindrome (2768852588672).

The spelling of 1406201562631 in words is "one trillion, four hundred six billion, two hundred one million, five hundred sixty-two thousand, six hundred thirty-one".