1240214031 has 32 divisors (see below), whose sum is σ = 2108920320. Its totient is φ = 705627072.

The previous prime is 1240214023. The next prime is 1240214033. The reversal of 1240214031 is 1304120421.

1240214031 is a `hidden beast` number, since 1 + 240 + 21 + 403 + 1 = 666.

It is not a de Polignac number, because 1240214031 - 2³ = 1240214023 is a prime.

It is a super-2 number, since 2×1240214031² = 3076261685378537922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1240213995 and 1240214013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240214033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29956 + ... + 58118.

It is an arithmetic number, because the mean of its divisors is an integer number (65903760).

Almost surely, 2^1240214031 is an apocalyptic number.

1240214031 is a deficient number, since it is larger than the sum of its proper divisors (868706289).

1240214031 is a wasteful number, since it uses less digits than its factorization.

1240214031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28412 (or 28406 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1240214031 is about 35216.6726281743. The cubic root of 1240214031 is about 1074.3988796473.

Adding to 1240214031 its reverse (1304120421), we get a palindrome (2544334452).

The spelling of 1240214031 in words is "one billion, two hundred forty million, two hundred fourteen thousand, thirty-one".